PROBLEM TO BE SOLVED: To reduce communication cost required to check a communication state between a radio apparatus, connected to a monitoring device, and a monitoring center device, and to prevent the occurrence of a disabled state of communication between the radio apparatus and the monitoring center device due to the replace of a base station.SOLUTION: In an elevator remote monitoring system, the monitoring center device sets the execution interval of a line check notification which is executed in each of a plurality of radio apparatuses. If base station identification information, included in a received line check signal, is different from base station identification information which is included in the line check signal received at the previous execution of the line check notification by the radio apparatus which have transmitted the line check signal, the monitoring center device requests each radio apparatus among the plurality of radio apparatuses other than the radio apparatus having transmitted the line check signal, to execute the line check notification.SELECTED DRAWING: Figure 6
【課題】監視装置に接続された無線装置と、監視センター装置との間の通信状況の確認にかかる通信コストを低減するとともに、基地局のリプレースに起因する、無線装置と監視センター装置との間で通信が行えなくなる状況の発生を防ぐ。【解決手段】本発明の昇降機の遠隔監視システムでは、監視センター装置が、複数の無線装置のそれぞれにおいて実施される回線チェック発報の実施間隔を設定する。そして、監視センター装置が、受信した回線チェック信号に含まれる基地局の識別情報が、当該回線チェック信号を送信した無線装置による前回の回線チェック発報の実施時に受信した回線チェック信号に含まれる基地局の識別情報と異なるときには、複数の無線装置のうちの回線チェック信号を送信した無線装置以外の無線装置に対して回線チェック発報の実施を要求する。【選択図】図6
ELEVATOR REMOTE MONITORING SYSTEM, MONITORING CENTER DEVICE AND ELEVATOR REMOTE MONITORING METHOD
昇降機の遠隔監視システム、監視センター装置、及び、昇降機の遠隔監視方法
2017-12-14
Patent
Electronic Resource
Japanese
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